Audio Brush: What You See is What You Hear
Jedermann kann Schalle hören, analysieren und beurteilen. Das menschliche Gehör, der Referenz-Sensor für Schalle, besitzt erstaunliche Fähigkeiten und ist von höchster Qualität. Im Gegensatz dazu erfordert das Bearbeiten und Erzeugen von Schallen Expertenwissen bzw. Erfahrung und ist nur indirekt und mittelbar möglich. Um diese Kluft zu überbrücken entwickeln wir Audio Brush, ein Software Werkzeug zur visuellen Bearbeitung von Schallen. Audio Brush ermöglicht es die bildliche Darstellung eines Schalls zu bearbeiten etwa so, wie man Bitmap-Bilder am PC bearbeitet. Die bildliche Darstellung erfolgt mittels eines sehr flexiblen Audio-Spektrogramms, dem die Gabor Analyse und Synthese zugrunde liegt. Das Spektrogramm ist von maximaler Präzision in der Darstellung, vollständig invertierbar und erlaubt darüber hinaus die Bearbeitung des Signals in jeder beliebigen Zeit-Frequenz-Auflösung.
It is nowadays very common that public places such as pubs, restaurants, and fitness club have large TV screens to entertain their customers -- especially during national or international sports championship events. For the venue owner it would be desirable if they could control which commercials are shown to their audience. In other words they may have the desire to replace untargeted commercials by target commericals of their choice.
In this joint project with Half Minute Media Ltd. we research algorithms for robost real-time commercial detection and control (such as replacement) in live streams. We are especially developing fast and extremely reliable algorithms for
The availability of high-performance and low-cost desktop computing systems and digital camera equipment has given rise to a public interest towards applications that include the visual identification of human individuals. Examples for such applications are surveillance, biometrical identification or computer-human interaction. To that effect, research in biometrical technologies follows naturally. Above other methods, images of human faces offer a non-intrusive and easy-to-use means of identification. Although the recognition of faces is a problem that is effortlessly solved by human beings during their daily routine, it poses a challenge for researchers and scientists. Boundary conditions like illumination and occlusion, as well as pose and expression of an individual lead to intrapersonal variations that often exceed those between images of different persons under similar conditions.
In association with Falcontrol Security GmbH we are researching reliable face recognition algorithms by using Bayesian methods on infrared image data.
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Projektbezogener Blog
Software engineering has advanced essentially. The two major concepts are the change from imperative to object-oriented programming languages and the introduction of service-oriented architectures. During this process powerful instruments have been created to industrialize software construction. As a consequence, complex applications can be realized with a fractional amount of manpower.
The main intention of the project SoftRobot is to transfer these two concepts to industrial robotics. Therefore, a new software architecture for controlling industrial robots will be developed. The combination of modern software paradigms and the consideration of hard real-time is an innovative approach. The resulting reference architecture can change the development in industrial robotics tremendously.
Moreover, an intuitive and graphical development environment for engineering robotics software will be created. Traditionally, programming an industrial robot requires profound knowledge and needs to be performed by an expert. Nowadays graphical development tools enable non-experts to create complex software products. However, the approaches in robotics are only rudimental and will be extended to a graphical programming language during the project.
The project is performed in cooperation with KUKA Roboter and MRK Systeme and funded by Bayerisches Staatsministerium für Wirtschaft, Infrastruktur, Verkehr und Technologie (StMWIVT).